diff options
| author | Shawn Guo <shawn.guo@linaro.org> | 2011-08-14 00:14:02 +0800 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-08-16 09:00:37 +0200 |
| commit | 09ad8039dad91baed6e43f6ba4741805e7b48932 (patch) | |
| tree | 2a12f2b9210a51c2963c7055595eb367d224f13f | |
| parent | e309fb1864e2d59ff030d5b95c4fb8188ab0eb4c (diff) | |
gpio/mxc: add .to_irq for gpio chip
It adds .to_irq support for gpio chip, so that __gpio_to_irq in
gpiolib becomes usable.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/gpio/gpio-mxc.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index 4340acae3bd..64aff20bc62 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -337,6 +337,15 @@ static void __devinit mxc_gpio_get_hw(struct platform_device *pdev) mxc_gpio_hwtype = hwtype; } +static int mxc_gpio_to_irq(struct gpio_chip *gc, unsigned offset) +{ + struct bgpio_chip *bgc = to_bgpio_chip(gc); + struct mxc_gpio_port *port = + container_of(bgc, struct mxc_gpio_port, bgc); + + return port->virtual_irq_start + offset; +} + static int __devinit mxc_gpio_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -403,6 +412,7 @@ static int __devinit mxc_gpio_probe(struct platform_device *pdev) if (err) goto out_iounmap; + port->bgc.gc.to_irq = mxc_gpio_to_irq; port->bgc.gc.base = pdev->id * 32; port->bgc.dir = port->bgc.read_reg(port->bgc.reg_dir); port->bgc.data = port->bgc.read_reg(port->bgc.reg_set); |